We'd say we've never heard anything like this before but we've seen Joe when there's pizza around...though, this is about a million times cuter. 

Boo the pet otter gets so excited for food, he actually makes these cute little squeaks and cat-like noises you'd have to be a monster to ignore!

This really makes us want to get a pet otter and we don't know the first thing about how to take care of one!